Buffsend Insights
Expert strategies, tips, and insights on cold email outreach and email marketing
May 10, 2024
The Art of Cold Emailing: Building Relationships Through Your Inbox
Discover how to transform cold emails from impersonal sales pitches into meaningful relationship builders that generate responses.
May 15, 2024
Crafting Subject Lines That Get Your Cold Emails Opened
Learn the psychology behind high-performing email subject lines and discover formulas that consistently achieve 50%+ open rates.
May 22, 2024
From Cold to Sold: Building Effective Email Sequences That Convert
How to structure multi-step email sequences that nurture cold prospects through your sales funnel and increase conversion rates.
May 29, 2024
Personalization at Scale: The Secret to Effective Cold Outreach
How to make each recipient feel like your email was crafted just for them, even when sending thousands of messages.
June 5, 2024
Cold Email Analytics: Metrics That Matter and How to Improve Them
Beyond open rates: The key performance indicators you should be tracking and how to systematically improve each one.
June 12, 2024
Legal Compliance in Cold Emailing: Navigating CAN-SPAM, GDPR, and Beyond
How to ensure your cold email campaigns remain compliant with major regulations while still being effective.
June 19, 2024
The Psychology of Persuasion in Cold Emails: Triggers That Drive Action
Understanding the psychological principles that make recipients take action after receiving your cold emails.
June 26, 2024
B2B vs. B2C Cold Emailing: Adapting Your Strategy for Different Audiences
How to tailor your approach when targeting businesses versus individual consumers with your cold email campaigns.
July 3, 2024
Follow-Up Mastery: Turning Silence Into Conversations
The art and science of follow-up emails: when to send them, what to say, and how to break through the no-response barrier.
July 10, 2024
Cold Email Templates That Actually Work (And Why)
A breakdown of 10 battle-tested cold email templates with detailed explanations of why each element works.
July 17, 2024
Email Authentication: Understanding SPF, DKIM, and DMARC
A comprehensive guide to email authentication protocols and how implementing them properly can dramatically improve your deliverability.
July 24, 2024
IP Warming: The Essential Guide to Building Sender Reputation
Learn the step-by-step process for warming up a new IP address to maximize deliverability and protect your sender reputation.
July 31, 2024
Email List Hygiene: Best Practices for Improved Deliverability
Discover essential list maintenance strategies that will keep your emails reaching the inbox instead of spam folders.
August 7, 2024
Avoiding Spam Filters: Content Best Practices for Deliverability
A detailed guide to creating email content that passes through spam filters and reaches your subscribers' inboxes reliably.
August 14, 2024
Essential Email Deliverability Metrics You Should Be Monitoring
The key metrics that indicate the health of your email deliverability and actionable steps to improve them.
August 21, 2024
Email Frequency and Deliverability: Finding the Perfect Sending Cadence
How to determine the optimal email frequency that maximizes engagement without harming your deliverability.
August 28, 2024
The Impact of Email Design on Deliverability: Best Practices for Inbox Success
Learn how design choices affect your email deliverability and discover best practices for creating emails that reach the inbox.
September 4, 2024
Transactional Email Deliverability: Best Practices for Critical Customer Communications
Specialized strategies to ensure your transactional emails always reach customers when they need them most.
September 11, 2024
How Apple Mail Privacy Protection Impacts Email Deliverability
Understand Apple's Mail Privacy Protection (MPP), its effects on open rate tracking, and how to adapt your deliverability strategies.
September 15, 2024
Understanding Email Deliverability
Learn the key factors influencing whether your emails land in the inbox or the spam folder.
September 20, 2024
Cold Email Best Practices
Essential dos and don'ts for effective and respectful cold email outreach that gets results.
September 25, 2024
Optimizing Email Subject Lines
Craft subject lines that grab attention, spark curiosity, and improve your open rates.
September 30, 2024
A/B Testing Your Cold Emails: A Practical Guide
Learn how to systematically test and improve your cold email campaigns using A/B testing.
October 5, 2024
Essential Cold Email Metrics to Track
Go beyond open rates and track the metrics that truly measure cold email success.
August 08, 2025
Bulk Email Deliverability Foundations: How to Consistently Reach the Inbox
The essential technical and strategic pillars behind high-volume inbox placement.
August 08, 2025
Mastering Bulk Emailing: Best Practices That Scale
A practical framework for high-volume sending without sacrificing reputation or results.
August 08, 2025
Bulk Email List Hygiene Playbook
A step-by-step approach to keeping large lists clean, compliant, and responsive.
August 08, 2025
Writing Subject Lines for Bulk Sends
Proven patterns and tests that lift opens at scale without harming reputation.
August 08, 2025
Sequencing Strategy for High-Volume Outreach
How to construct multi-touch sequences that scale and stay compliant.
August 08, 2025
Compliance and Ethics in Bulk Email
Practical guidance for lawful, respectful, and effective large-scale emailing.
August 08, 2025
Scaling Senders Without Hurting Reputation
Infrastructure and strategy to add more volume safely.
August 08, 2025
Measuring Bulk Campaign ROI Beyond Opens
Attribution and metrics that truly reflect revenue impact.
August 08, 2025
Personalization at Scale in Bulk Email
Tactics to make messages feel 1:1 without breaking workflows.
August 08, 2025
Troubleshooting Deliverability Drops at Scale
A diagnostic checklist to quickly identify and fix delivery issues.
August 08, 2025
Bulk Email Cadence Strategy: Timing, Frequency, and Pacing That Scales
Design cadence that preserves deliverability while increasing output.
August 08, 2025
Landing Pages for Bulk Email: Turning Attention into Action
Build fast, aligned landing pages that convert bulk email traffic.
August 08, 2025
Sender Reputation Monitoring: The Dashboard That Keeps Bulk Email Healthy
Minimal metrics and slices to catch problems before they spread.
August 08, 2025
From Cold to Warm: Migration Strategy for Bulk Email Programs
A safe progression from cold to warm without burning reputation.
August 08, 2025
Bulk Email Copy Checklist: Clarity, Relevance, and Trust at Scale
A simple preflight for copy that scales quality across teams.
August 08, 2025
Re‑engagement Campaigns for Bulk Email: Win Back Attention Safely
Design win‑back motions that protect deliverability and trust.
August 08, 2025
Inbox Placement Diagnostics: A Practical Checklist for Bulk Senders
A fast triage to isolate issues and recover stability.
August 08, 2025
Bulk Email QA Process: Ship Faster Without Surprises
A lean QA flow that scales with volume and prevents incidents.
August 08, 2025
The Anatomy of High-Converting Email Copy
Structure and copy patterns that consistently earn replies and clicks.
August 08, 2025
Email Copy Frameworks for B2B Teams
Lightweight frameworks to write faster and scale what works.
August 08, 2025
Email Design Best Practices: Readable, Fast, and Accessible
Design choices that boost readability and conversion across clients.
August 08, 2025
HTML Email Development Guide: Tables, Clients, and Testing
Practical techniques for robust, cross-client HTML emails.
August 08, 2025
Copywriting for Newsletters: Consistent Value, Clear Voice
A simple format that keeps publishing steady and valuable.
August 08, 2025
Designing Accessible Emails: Inclusive by Default
Accessibility practices that improve UX and conversion for everyone.
August 08, 2025
CTA Design for Emails: Make the Next Step Obvious
Copy and layout patterns that increase click confidence.
August 08, 2025
Copy Editing Checklist for Emails: Ship Clean, Clear Messages
A five-minute pass that prevents costly mistakes.
August 08, 2025
Email Templates That Scale: Modular by Design
A block-based approach to fast, consistent, testable emails.
August 08, 2025
Dark Mode Email Design: Avoid the Common Traps
Assets, colors, and testing strategies for dark mode.
August 08, 2025
B2B Subject Line Swipe File: Proven Patterns That Earn Opens
Subject patterns you can adapt quickly without gimmicks.
August 08, 2025
Preview Text Mastery: The Second Subject Line
Write previews that amplify value and boost opens.
August 08, 2025
Email Header and Footer Design: Clarity Without Clutter
Frames that build trust without stealing focus.
August 08, 2025
Layouts That Convert: Simple Structures for Better Email Performance
Reliable layouts for outreach, newsletters, and updates.
August 08, 2025
Designing Email for Outlook: Practical Workarounds
Conservative HTML that survives Outlook’s quirks.
August 08, 2025
Email Personalization: Do’s and Don’ts
Make messages more useful without adding risk.
August 08, 2025
Writing Copy for Product Update Emails
Outcome-first phrasing and a single next step.
